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| Patents for William G. Johnson | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,740X | Apr. 03, 1835 | W.G. Johnson | Thrashing machine | miller | |
| 512,709 | Jan. 16, 1894 | W.G. Johnson | Wrench | quick adjust wrenches | |
| 1,070,656 | Aug. 19, 1913 | J. Anderson | Wrench | bicycle or pocket wrenches | |